Adding Three Digit Numbers

In 2nd grade you will learn adding three digit numbers. There are some steps to follow with an example. 324 + 126.
• Write the given numbers one below the other in such a way that hundreds, tens and one places are lined up. Draw the line after lining up and put the plus sign on the left side of 2nd number.

H T O 3 2 4
+1 2 6
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• Add one place digits ( 4 + 6 = 10) This number is two digit number so place one's place digit from 10 ( 0) in one's place column and place ten's digit number (1) above 2 in tens column.